M87 超大质量黑洞附近喷流发射结构的解析
高能天体物理现象
2012-10-24 v1 宇宙学与河外天体物理
摘要
约 10% 的活动星系核表现出相对论性喷流，这些喷流由物质吸积到超大质量黑洞提供动力。虽然在大尺度上测得的此类喷流宽度剖面与磁准直理论相符，但在喷流发射点的吸积盘尺度上预测的结构尚未被探测到。我们报告了对椭圆星系 M87 在 1.3mm 波长的射电干涉观测，空间上解析了该源中喷流的基部。推导出的尺寸为 5.5 +/- 0.4 史瓦西半径，显著小于逆行吸积盘的最内边缘，这表明 M87 喷流是由围绕旋转黑洞顺行轨道上的吸积盘提供动力的。
引用
@article{arxiv.1210.6132,
title = {Jet Launching Structure Resolved Near the Supermassive Black Hole in M87},
author = {Sheperd S. Doeleman and Vincent L. Fish and David E. Schenck and Christopher Beaudoin and Ray Blundell and Geoffrey C. Bower and Avery E. Broderick and Richard Chamberlin and Robert Freund and Per Friberg and Mark A. Gurwell and Paul T. P. Ho and Mareki Honma and Makoto Inoue and Thomas P. Krichbaum and James Lamb and Abraham Loeb and Colin Lonsdale and Daniel P. Marrone and James M. Moran and Tomoaki Oyama and Richard Plambeck and Rurik A. Primiani and Alan E. E. Rogers and Daniel L. Smythe and Jason SooHoo and Peter Strittmatter and Remo P. J. Tilanus and Michael Titus and Jonathan Weintroub and Melvyn Wright and Ken H. Young and Lucy M. Ziurys},
journal= {arXiv preprint arXiv:1210.6132},
year = {2012}
}
备注
12 pages, 3 figures, accepted version